A close-up of what the Eagle ''hatched.'' Photo-4651314.62741 - seattlepi.com

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In 1993, someone attached a giant ball and chain to Hammering Man, as a shout-out to laborers. It turned out to be the work of a group led by Jason Sprinkle, Seattle's famous guerrilla performance artist in the '90s. Sprinkle died in 2005. less

In 1993, someone attached a giant ball and chain to Hammering Man, as a shout-out to laborers. It turned out to be the work of a group led by Jason Sprinkle, Seattle's famous guerrilla performance artist in the ... more

In 1995, this red, steel, 13-foot heart, stabbed with a dagger, appeared overnight in Westlake Park. It was also done by guerrilla artist Jason Sprinkle (1969-2005) and his group, the ''Fabricators of the Attachment.'' It was meant to protest the reopening of Pine Street to traffic. less

In 1995, this red, steel, 13-foot heart, stabbed with a dagger, appeared overnight in Westlake Park. It was also done by guerrilla artist Jason Sprinkle (1969-2005) and his group, the ''Fabricators of the ... more

In 1996, guerrilla art went awry, when the Westlake heart and dagger made a reappearance, and people thought it was a bomb.
Artist Jason Sprinkle (1969-2005) had abandoned it downtown, in a junker truck graffitied with the words ''the Bomb'' on a fender. The incident triggered panic and prompted police to shut down streets. less

In 1996, guerrilla art went awry, when the Westlake heart and dagger made a reappearance, and people thought it was a bomb.
Artist Jason Sprinkle (1969-2005) had abandoned it downtown, in a junker truck ... more